How to find if the Year is Leap Year or Not in C# ?

Published on May 14, 2014 by abundantcode

Filed under C#

Last modified May 14, 2014

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Below is a sample code snippet that demonstrates how to find if the year is a leap year or not.

How to find if the Year is Leap Year or Not in C# ?

using System;   
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace AbundantcodeConsoleApp
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            // How to Check if the year is leap year or not
            int input = 1996;
            if(input %100 ==0)
            {
                if(input%400==0)
                {
                    Console.WriteLine("Leap Year");
                }
                else
                {
                    Console.WriteLine("Not a Leap Year");
                }
            }
            else
            {
                if(input %4 ==0)
                {
                    Console.WriteLine("Leap Year");
                }
                else
                {
                    Console.WriteLine("Not a Leap Year");
                }
            }
            Console.ReadLine();
        }
    }    
}

1 Comment

  1. GreaseCoder

    This doesn’t take into account all rules around leap years. For example, the year 1900 is not a leap year, yet this would return that it is. The full boolean expression should be ((year % 4 == 0 && year != 0) || year % 400 == 0)

    January 3, 2015 - 1:22 am – Reply

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